class NotFoundError implements ResponseErrorimport { NotFoundError } from "https://dotland.deno.dev/x/jsonrpc2@0.1.1/mod.ts"; ConstructorsnewNotFoundError(message?: string, data?: unknown)Propertiescode: numberdata: unknownmessage: stringimport NotFoundErrorimport { NotFoundError } from "https://dotland.deno.dev/x/jsonrpc2@0.1.1/mod.ts";